起重机械金属结构聚脲涂层的耐磨性能研究

谢腾飞, 毛锦荣, 周叶平

doi:10.16577/j.issn.1001-1560.2022.0345

材料保护 >

2022 , Vol. 55 >Issue 12: 96 - 99

DOI: https://doi.org/10.16577/j.issn.1001-1560.2022.0345

试验研究

起重机械金属结构聚脲涂层的耐磨性能研究

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江西省检验检测认证总院特种设备检验检测研究院

毛锦荣(1990-)，工程师，研究生，主要从事特种设备检验检测方向研究，电话:18779105584，E-mail:maojinrong726＠163.com

收稿日期: 2022-06-23

网络出版日期: 2023-12-27

基金资助

江西省市场监督管理局科技项目(GSJK201917)资助

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Study on Wear Resistance of Polyurea Coating on Metal Structures of Lifting Machinery

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(Institute of Special Equipment Inspection and Research， Jiangxi General Institute of Testing and Certification， Nanchang 330096， China)

Received date: 2022-06-23

Online published: 2023-12-27

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摘要

针对起重机械金属结构在恶劣环境中易老化、易磨损等问题，采用新配制的聚脲为材料，研究了起重机金属结构表面涂层的厚度和加载对涂层耐磨性能的影响，并且探讨了涂层的磨损机理。结果表明:在一定条件下，当涂层厚度由0 增加到0.6 mm 时，基材磨损量及磨损率明显降低，聚脲涂层明显提高金属结构的耐磨性能；其他条件不变，当载荷低于100 N 时，聚脲涂层耐磨性能良好，当载荷增加至150 N 时，聚脲涂层的耐磨性逐渐下降，且磨损量较大，涂层在低载荷下主要为磨粒磨损，随着载荷的增大，磨损形式转化为黏着磨损。

关键词： 起重机械; 聚脲涂层; 耐磨性能; 机理

本文引用格式

谢腾飞, 毛锦荣, 周叶平 . 起重机械金属结构聚脲涂层的耐磨性能研究[J]. 材料保护, 2022 , 55(12) : 96 -99 . DOI: 10.16577/j.issn.1001-1560.2022.0345

Abstract

In view of the problem that the metal structures of lifting machinery are easy to be aged and worn in harsh environment， the effects of coating thickness and load on the wear resistance of the coating on the surface of metal structure of crane were studied by using the newly formulated polyurea as spray material， and the wear mechanism of the coating was also discussed. Results showed that under certain conditions，when the coating thickness increased from 0 to 0.6mm，the wear amount and wear rate of the substrate were significantly reduced，and the polyurea coating significantly improved the wear resistance of the metal structure. When other conditions were unchanged and the load was lower than 100 N， the wear resistance of polyurea coating was good. But when the load increased to 150 N， the wear resistance of polyurea coating decreased gradually and the wear amount was large. Under low load， the main wear pattern of the coating was abrasive wear， and with the increase of load， the wear pattern was changed into adhesive wear.

Key words： lifting machinery; polyurea coating; wear resistance; mechanism

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